1. Comprehension questions
5th Grade
Reproductive System
Comprehension questions
1. What is the function of Male reproductive system?
2. What happens if sperm get to hot?
3. What 3 parts make up the sperm? 4. What is the function of each part?
5. What prevents urine and semen from going through the penis at the same time?
6. What are some signs that a male is going through puberty?
7. What the female reproductive system does?
8. What is the range of age for girls to start menstruation cycle?
9. Describe the pathway an egg takes after it is released from an ovary.
10. Summarize the steps of the menstrual cycle.
11. Organize the information in a mind map
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2. 5th Grade What the Male Reproductive System does… Reproductive System
Works to produce sperm and deliver it to the female reproductive system
Sperm – sex cells that are produced by the testes and that is needed to fertilize an egg
Eggs (ova) – sex cells produced by the ovaries that can be fertilized by sperm
Fertilization – the process by which a sperm and an egg and their genetic material join to create a new human life
Reproduction – the process of producing a new human
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3. 5th Grade
Reproductive System
Testes (Testicle)
Male reproductive organs that make sperm and testosterone
Produce several hundred million sperm each day
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4. Testes (Testicle) cont…
5th Grade
Male Reproductive System
Testes (Testicle) cont…
The 2 testes rest in the scrotum
Scrotum - Skin-covered sac that hangs from the body
Small muscles in the scrotum move the testes closer or farther from the body – help regulate temperature of sperm
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5. Reproductive System
5th Grade
Penis
The male reproductive organ that removes urine from the male’s body and that can deliver sperm to the female reproductive system
Made of soft tissue and blood vessels
During sexual activity, the penis becomes erect or firm
Ejaculation – occurs when sperm are released from the penis after sexual excitement
Urethra – a passage for urine to leave the body
Foreskin – a sheath of skin that covers the tip of the penis
Circumcision – surgery to remove foreskin
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6. Epididymis and Vans Deferens
Reproductive System
5th Grade
Epididymis and Vans Deferens
Epididymis – tightly coiled tube where sperm mature and are stored
Vas Deferens – a long tube where sperm mix with fluids made by three accessory reproductive organs
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7. Reproductive System
5thth Grade
Seminal Vesicles
Produce thick secretions that nourish the sperm and help sperm move easier
Found near the base of the urinary bladder
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8. Reproductive System
5th Grade
Prostate gland
A gland in males that adds fluids that nourish and protect sperm when the sperm are in the female body.
Secretes a thin, milky fluid that protects the sperm from acid in the female reproductive system
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9. Reproductive System
5th Grade
Semen
Mixture of sperm and other secretions from the male reproductive organs
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10. Urethra Tube that passes through the penis.
Reproductive System
5th Grade
Urethra
Tube that passes through the penis.
Sperm leave the body during ejaculation via this tube.
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11. Testosterone The male hormone made by the testes 5th Grade
Reproductive System
Testosterone
The male hormone made by the testes
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12. What happens if sperm get to hot?
5th Grade
Reproductive System
What happens if sperm get to hot?
Sperm made at high temperatures are defective and cannot fertilize eggs.
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13. What 3 parts make up the sperm? What is the function of each part?
5th Grade
Reproductive System
What 3 parts make up the sperm? What is the function of each part?
-the head contains substances that help the sperm enter the egg.
- the mid piece contains structures that release the energy needed for the long trip through the female reproductive system.
- the tail is made of proteins that help the sperm move.
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14. How long does it take an immature sperm to mature?
5th Grade
Reproductive System
How long does it take an immature sperm to mature?
An immature sperm takes 2 – 10 days to fully mature.
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15. What 3 organs add fluid to the sperm?
5th Grade
Reproductive System
What 3 organs add fluid to the sperm?
The seminal vesicle, bulbourethral glands (Cowpers glands) and the prostate gland
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16. 5th Grade
Reproductive System
What prevents urine and semen from going through the penis at the same time?
A flap in the urethra prevents urine and semen from going through the penis at the same time.
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17. What are some signs that a male is going through puberty?
6th Grade
Male Reproductive System
What are some signs that a male is going through puberty?
Shoulders get wider
The muscles get larger
Hair grows on the face and other parts of the body
The voice deepens
At this time testosterone also causes the body to start making sperm
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18. List 5 things you know about the female reproductive system.
5th Grade
List 5 things you know about the female
reproductive system.

19. What the female reproductive system does
5th Grade
What the female reproductive system does
Function is to make eggs and provide a place to support and nourish a developing human

20. 5th Grade

21. How the Female Reproductive System Works

22. Ovaries Are the female reproductive organs that produce eggs
Reproductive System
5th Grade
Ovaries
Are the female reproductive organs that produce eggs
Eggs (ova) – sex cells that are produced by the ovaries and can be fertilized by sperm
All of the eggs a female will ever have, are in her 2 ovaries when she is born
Make the hormones estrogen and progesterone
Regulate the monthly release of an egg and prepare the body for pregnancy

23. Vagina and Urethra Vagina Urethra 5th Grade
Reproductive System
5th Grade
Vagina and Urethra
Vagina
Female reproductive organ that connects the outside of the body to the uterus
Receives sperm during reproduction
Urethra
Located above and separate from the vagina – carries urine from the bladder to the outside of the body

24. Fallopian Tubes and Uterus
Reproductive System
5th Grade
Fallopian Tubes and Uterus
Fallopian tubes
the female reproductive organs that transport an egg from the ovary to the uterus
Uterus
female reproductive organ that provides a place to support a developing human
muscular cavity the size of a fist

25. 5th Grade

26. How the Menstrual Cycle Works

27. Reproductive System
5th Grade
Menstrual cycle
A monthly series of hormone-controlled changes that prepare the uterine lining for a pregnancy
Ovulation – the release of an egg from a follicle in the ovary
High levels of estrogen and progesterone thicken and maintain the uterine lining
If pregnancy does not occur – estrogen and progesterone levels quickly fall
Menstruation – breakdown and discharge of the uterine lining out of the vagina
Usually lasts between 3 and 7 days

28. Menstrual Cycle can vary
Reproductive System
5th Grade
Menstrual Cycle can vary
Average cycle is 28 days
Can vary from one individual to another and from month to month
Ovulation usually occurs on the 14th day
Environmental factors can influence the timing of a cycle
Stress Exercise
Weight gain or loss Diet
Travel Illness